Java How To Program 9th Edition Exercise Solutions Guide

Solution:

Solution: “`java public class BankAccount {

Exercise 2.1: Write a Java application that prints “Welcome to Java” to the console. java how to program 9th edition exercise solutions

public class Rectangle { private double width; private double height; public Rectangle(double width, double height) { this.width = width; this.height = height; } public double getArea() { return width * height; } public static void main(String[] args) { Rectangle rect = new Rectangle(4, 5); System.out.println(rect.getArea()); } } Exercise 6.2: Write a Java class that represents a bank account with account number and balance attributes.

Solution:

private int accountNumber; private double balance; public BankAccount(int accountNumber, double balance) { this.accountNumber = accountNumber; this.balance = balance; } public void deposit(double amount) { balance += amount; } public static void main(String[] args) { BankAccount account = new BankAccount(12345,

Exercise 6.1: Write a Java class that represents a rectangle with width and height attributes. Solution:

Solution: